The process of nuclear fission______requires the use of a reactor core, around which no lithium blanket of sufficient______has b

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问题 The process of nuclear fission______requires the use of a reactor core, around which no lithium blanket of sufficient______has been developed to contain the hazardous byproducts of the process.

选项 A、unfortunately… breadth
B、occasionally … unreliability
C、auspiciously … size
D、fortuitously… expense
E、technically … imagination

答案A

解析
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